Patent · US Active

Process for the preparation of chiral 8-(3-aminopiperidin-1-yl)-xanthines

US9751855B2 · kind B2 · utility

0Cited by

147References

3Claims

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Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Waldemar Pfrengle · Seibersbach, DE
Thorsten Pachur · Biberach an der Riß, DE
Thomas Nicola · Ingelheim am Rhein, DE
Adil Duran · Biberach an der Riß, DE

Key dates

Filing date	Jan 25, 2017
Grant date	Sep 5, 2017
Priority date	—
Expiry date	Jan 25, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/07
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.